54 visiting now: 31 USA 
8 Singapore 
6 China 
3 UK 
2 Finland 
2 Canada 
2 Ukraine 
1 Germany 
1 India 
8 Singapore 6 China 3 UK 2 Finland 2 Canada 2 Ukraine 1 Germany 1 India 8 Singapore 6 China 3 UK 2 Finland 2 Canada 2 Ukraine 1 Germany 1 India